#include <iostream>
using namespace std;
class Ratio {
public:
	int num;
	int den;


	Ratio()
	{
		num = 4;
		den = 2;
	}
	Ratio(const Ratio & t)
		    {
		         cout << "Copy  construction" << endl;
		         num = t.num;
				 den = t.den;
		  }
	void disp()
	{

		cout << "num/den=" << num / den << endl;
	}
}; Ratio s1;


int main() {
	




	Ratio s2(s1);
	s1.disp();
	s2.disp();


}